The High Performance Systems (HPS) online community has created three web-videos about the STELLA modeling software. The videos include how STELLA works, with an animated demonstration of the software; an overview of the STELLA environment, outlining the different levels of the software; and an overview of STELLA language, which includes a detailed look at language used in the software. Full description.

Videoconferencing technology allows people at two or more locations to see and hear each other at the same time. The SBC Knowledge Network Explorer Videoconferencing for Learning web site supports the effective and educational uses of videoconferencing technology by providing basic information about the technology and instructional applications as well as resources to help you link with other videoconferencing ... Full description.

The Scientific American Frontiers program on PBS aired a special series on invasive alien species. This website is the central site for that program. Users can watch web video of each segment, access additional links on invasive species, email the scientists featured in each segment and read news articles about topics pertinent to invasive species. The America's Most Un-Wanted feature allows users ... Full description.